INSTRUCTION MANUALDigital Earth Resistance TesterMODEL 4105AKYORITSU ELECTRICAL INSTRUMENTSWORKS, LTD.01-07 92-1494KYORITSU ELECTRICAL INSTRUMENTSWO

---- 17 ----9. Before Sending for ServiceIf this instrument should fail to operate correctly, return it to your nearestdistributor stating the exact n

1. Safty PrecautionsThe instrument is designed, manufactured, tested and shipped in primecondition in accordance with the following standards.IEC 6101

DANGER is reserved for conditions and actions that are likely to causeserious or fatal injury.WARNING is reserved for conditions and actions that can

3. SpecificationsMeasuring Range and Accuracy (at 23 5°C and RH 75% or less)RangeMeasuring RangeAccuracyEarth Voltage 0 - 199.9V 1.0% rdg 4 dgt20Ω 0

Power Source9V DC : R6P (SUM-3) x6Overload ProtectionEarth resistance ranges : 280V AC/DC (10 seconds)Earth voltage range : 300V AC/DC (1 minute)Insul

4. Layout Diagramq LCD Display w Battery Replacement Marke Indication LED With qq(Low Battery Symbol)qqMeasurement(Green) r Press To Test Buttont Ra

---- 10 ----20Ω when the earth resistance is low. This indicated value is the earthresistance of the earthed equipment under test.Note : If the auxi

wEarth Voltage MeasurementSet the range switch to EARTH VOLTAGE position in the condition ofq. Earth voltage will be indicated on the display. Make su

---- 15 ----7. Battery ReplacementDANGERNever attempt to open the battery compartment cover, if the outersurface of the instrument is wet.Never attemp